Effect of ibudilast, a novel antiasthmatic agent, on anaphylactic bronchoconstriction: predominant involvement of endogenous slow reacting substance of anaphylaxis.


The effect of ibudilast on anaphylactic bronchoconstriction was studied in guinea pigs sensitized actively with ovalbumin (OA). Animals were treated with indomethacin, tripelennamine and propranolol prior to the antigen challenge. Anaphylactic bronchoconstriction was prevented by ibudilast (1-4 mg/kg i.v. and 5-20 mg/kg p.o.) dose-dependently. FPL55712 and… (More)


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